X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-pxa%2Fpoodle.c;h=a042473deeddf40a3a29c49a942aebb802cc8248;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=b6c746ea38305b7f05537a9d3ac59742e6ae8bdf;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index b6c746ea3..a042473de 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -16,7 +16,7 @@ */ #include #include -#include +#include #include #include @@ -29,7 +29,9 @@ #include #include -#include +#include +#include +#include #include #include @@ -62,6 +64,44 @@ struct platform_device poodle_scoop_device = { .resource = poodle_scoop_resources, }; +static void poodle_pcmcia_init(void) +{ + /* Setup default state of GPIO outputs + before we enable them as outputs. */ + GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | + GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | + GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | + GPIO_bit(GPIO53_nPCE_2); + + pxa_gpio_mode(GPIO48_nPOE_MD); + pxa_gpio_mode(GPIO49_nPWE_MD); + pxa_gpio_mode(GPIO50_nPIOR_MD); + pxa_gpio_mode(GPIO51_nPIOW_MD); + pxa_gpio_mode(GPIO55_nPREG_MD); + pxa_gpio_mode(GPIO56_nPWAIT_MD); + pxa_gpio_mode(GPIO57_nIOIS16_MD); + pxa_gpio_mode(GPIO52_nPCE_1_MD); + pxa_gpio_mode(GPIO53_nPCE_2_MD); + pxa_gpio_mode(GPIO54_pSKTSEL_MD); +} + +static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { +{ + .dev = &poodle_scoop_device.dev, + .irq = POODLE_IRQ_GPIO_CF_IRQ, + .cd_irq = POODLE_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", +}, +}; + +static struct scoop_pcmcia_config poodle_pcmcia_config = { + .devs = &poodle_pcmcia_scoop[0], + .num_devs = 1, + .pcmcia_init = poodle_pcmcia_init, +}; + +EXPORT_SYMBOL(poodle_scoop_device); + /* LoCoMo device */ static struct resource locomo_resources[] = { @@ -84,6 +124,100 @@ static struct platform_device locomo_device = { .resource = locomo_resources, }; + +/* + * MMC/SD Device + * + * The card detect interrupt isn't debounced so we delay it by 250ms + * to give the card a chance to fully insert/eject. + */ +static struct pxamci_platform_data poodle_mci_platform_data; + +static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data) +{ + int err; + + /* setup GPIO for PXA25x MMC controller */ + pxa_gpio_mode(GPIO6_MMCCLK_MD); + pxa_gpio_mode(GPIO8_MMCCS0_MD); + pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN); + pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); + + poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); + + err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, + SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING, + "MMC card detect", data); + if (err) { + printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); + return -1; + } + + return 0; +} + +static void poodle_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if (( 1 << vdd) & p_d->ocr_mask) + GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR); + else + GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR); +} + +static void poodle_mci_exit(struct device *dev, void *data) +{ + free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); +} + +static struct pxamci_platform_data poodle_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = poodle_mci_init, + .setpower = poodle_mci_setpower, + .exit = poodle_mci_exit, +}; + + +/* + * Irda + */ +static void poodle_irda_transceiver_mode(struct device *dev, int mode) +{ + if (mode & IR_OFF) { + GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); + } else { + GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); + } +} + +static struct pxaficp_platform_data poodle_ficp_platform_data = { + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = poodle_irda_transceiver_mode, +}; + + +/* + * USB Device Controller + */ +static void poodle_udc_command(int cmd) +{ + switch(cmd) { + case PXA2XX_UDC_CMD_CONNECT: + GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); + break; + case PXA2XX_UDC_CMD_DISCONNECT: + GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); + break; + } +} + +static struct pxa2xx_udc_mach_info udc_info __initdata = { + /* no connect GPIO; poodle can't tell connection status */ + .udc_command = poodle_udc_command, +}; + + /* PXAFB device */ static struct pxafb_mach_info poodle_fb_info __initdata = { .pixclock = 144700, @@ -117,6 +251,15 @@ static void __init poodle_init(void) { int ret = 0; + /* setup sleep mode values */ + PWER = 0x00000002; + PFER = 0x00000000; + PRER = 0x00000002; + PGSR0 = 0x00008000; + PGSR1 = 0x003F0202; + PGSR2 = 0x0001C000; + PCFR |= PCFR_OPDE; + /* cpu initialize */ /* Pgsr Register */ PGSR0 = 0x0146dd80; @@ -146,6 +289,13 @@ static void __init poodle_init(void) GPSR2 = 0x00000000; set_pxa_fb_info(&poodle_fb_info); + pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); + pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT); + pxa_set_udc_info(&udc_info); + pxa_set_mci_info(&poodle_mci_platform_data); + pxa_set_ficp_info(&poodle_ficp_platform_data); + + platform_scoop_config = &poodle_pcmcia_config; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); if (ret) { @@ -157,33 +307,18 @@ static void __init fixup_poodle(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) { sharpsl_save_param(); -} - -static struct map_desc poodle_io_desc[] __initdata = { - /* virtual physical length */ - { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */ -}; - -static void __init poodle_map_io(void) -{ - pxa_map_io(); - iotable_init(poodle_io_desc, ARRAY_SIZE(poodle_io_desc)); - - /* setup sleep mode values */ - PWER = 0x00000002; - PFER = 0x00000000; - PRER = 0x00000002; - PGSR0 = 0x00008000; - PGSR1 = 0x003F0202; - PGSR2 = 0x0001C000; - PCFR |= PCFR_OPDE; + mi->nr_banks=1; + mi->bank[0].start = 0xa0000000; + mi->bank[0].node = 0; + mi->bank[0].size = (32*1024*1024); } MACHINE_START(POODLE, "SHARP Poodle") - BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) - FIXUP(fixup_poodle) - MAPIO(poodle_map_io) - INITIRQ(pxa_init_irq) - .timer = &pxa_timer, - .init_machine = poodle_init, + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .fixup = fixup_poodle, + .map_io = pxa_map_io, + .init_irq = pxa_init_irq, + .timer = &pxa_timer, + .init_machine = poodle_init, MACHINE_END